<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算({{checkedCount}})
		</view>
	</view>
</template>

<script>
import{mapGetters,mapMutations,mapState} from 'vuex'
import showMsg from '../../common/ShowMsg';
	
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时的秒数
				seconds:3,
				//定时器
				timer:null
				
			};
		},
		computed:{			
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			//2.是否全选
			isFullCheck() {
			 return	this.total === this.checkedCount
			},
		},
		methods:
		{
			...mapMutations('m_cart',['updateAllGoodsState']),			
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				// console.info(!this.isFullCheck)
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			settlement(){
				if(!this.checkedCount) return  showMsg('请选择要结算的商品！')
				if(!this.addstr)return  showMsg('请选择收货地址！')
				// if(!this.token) return showMsg('请先登录！')
				if(!this.token) return this.delayNavigate()
				this.payOrder()
			},
			async payOrder()
			   {

			    //1.创建订单
			    //1.1 组织订单的信息对象
			    const orderInfo ={
			     // order_price:this.checkedGoodsAmount,
			     order_price:0.01,
			     consignee_addr:this.addstr,
			     goods:this.cart.filter(x=>x.goods_state).map(x=>({
			      goods_id:x.goods_id,
			      goods_number:x.goods_count,
			      goods_price:x.goods_price
			     }))
			    }
			
				console.info('发起请求创建订单')
			    //1.2 发起请求创建订单
			    const{data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
			    
			    console.log(res.meta)
			    // if(res.meta.status !==200) return uni.$showMsg('创建订单失败')
			    if(res.meta.status !==200) return showMsg(res.meta.msg)    
			    //1.3 得到服务器响应的“订单编号”
			    const orderNumber = res.message.order_number
			    
			    console.log(orderNumber)
			    //2. 订单预支付
			    //2.1 发起请求获取订单的支付信息
			      const{data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number: orderNumber})
			    //2.2 预付订单生成失败
			    
			    if(res2.meta.status!==200) return  showMsg(res.meta.msg)   
			    //2.3 得到订单支付相关的必要参数
			    const payInfo = res2.message.pay
			        
			    //3.发起微信支付
			    //3.1 调用uni.requestPayment 发起微信支付
			    const[err,succ] = await uni.requestPayment(
			     payInfo
			    )
			    //3.2 未完成支付 
			    if(err) return showMsg('订单未支付')   
			    //3.3 完成了支付，进一步查询支付的结果
			    const {data:res3} = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
			    //3.4 检测到订单未支付
			    if(res3.meta.status!==200) return showMsg('订单未支付')   
			    //3.5 检测到订单支付完成
			    uni.showToast({
			     title:'订单支付完成',
			     icon:'success'
			    })
			    
			   },
			//延时导航到my 页面
			 delayNavigate(){
				 this.seconds = 3
				this.showTips(this.seconds)
				//1000毫秒后自动执行尖头函数里的方法
				// setInterval(()=>{},1000)
			this.timer =	setInterval(()=>{
					this.seconds --
					if(this.seconds<=0)
					{
						// 清除定时器
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success:() =>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			// 展示倒计时的提示信息
			showTips(n)
			{
				//mask 防止用户点击穿透,会默认在小程序上放一个透明层，防止用户操作其他地方  duration 多少毫秒后关闭
				uni.showToast({
					icon:'none',
					title:'请登录后再结算！'+ n + '秒后自动跳转到登录页',
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
 .my-settle-container{
	 position: fixed;//固定位置
	 bottom: 0;
	 left:0;
	 width: 100%;
	 height: 50px;
	 background-color: white;
	 display: flex;
	 justify-content: space-between;
	 align-items: center;
	 font-size: 14px;
	 padding-left: 5px;
	 .radio{
		 display: flex;
		 align-items: center;
	 }
	 
	 .amount-box{
	 	 .amount{
			 color: #C00000;
			 font-weight: bold;
		 }
	 }
	 
	 .btn-settle{
		 background-color: #C00000;
		 height: 50px;
		 color: white;
		 line-height: 50px ;//当文字高度和当前高度一样，文字会纵向居中
		 padding: 0 10px;
		 min-width: 100px;
		 text-align: center;
	 }
 }
 

</style>